Home / 20,599.23-28,428.53-11,646.92

Finding the Fourth Proportional to 20,599.23, 28,428.53 and 11,646.92

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Solution

The fourth proportional to 20,599.23, 28,428.53 and 11,646.92 is: 16,073.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599.23 : 28,428.53 = 11,646.92 : x
  2. Step 2: Convert to fraction form
    20,599.23/28,428.53 = 11,646.92/x
  3. Step 3: Cross multiply
    20,599.23x = 28,428.53 × 11,646.92
  4. Step 4: Simplify right side
    20,599.23x = 331,104,614.25
  5. Step 5: Solve for x
    x = 331,104,614.25/20,599.23
  6. Step 6: Final answer
    x = 16,073.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.